NTC Surface Mount - Thick Film


Features  

  • Nickel Barrier   (Tin-Lead wrap around (3-sided) terminations)
  • Tape & Reeling
  • 0805, and 0603 Sizes
  • 3%, 5% and 10% Tolerances
  • NTC Thick Film on Alumina Substrate (100% Solid State)     

Applications                                                     

  • Temperature Measurement                                
  • Temperature Measurement & Control
  • Temperature Compensation

wpe1.jpg (4987 bytes)

  • Rated Power:    1mW  (Max. power under continuous power) 
  • Dissipation Constant:  1.5 mW/°C (Power required to raise part 1 °C)
  • Thermal Time Constant: <5 Sec. (Time required for a 63.2% change in resistance when temperature  is changed)

    0603 Size Electrical Specification Table

    Part Number (Note: Add - 03 for 3% Tol. - 05 for 5% Tol.)

    W @ 25°C +/- 10%

    BETA

      25/85 °C  (+/- 3%)

    Dimensions in inches (millimeters)

          A         +/- 0.009" (0.23mm)

           B        +/- 0.006" (0.15mm)

           C        +/- 0.007" (0.18mm)

           D        +/- 0.009" (0.23mm)

    WSTL06473G

    4700

    3500

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06683G

    6800

    3500

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06103L

    10000

    3700

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06153N

    15000

    3850

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06203P

    20000

    3950

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06223P

    22000

    3950

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06503P

    50000

    3950

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06104R

    100000

    4100

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

    WSTL06154R

    150000

    4100

    0.060 (1.52)

    0.020 (0.51)

    0.030 (0.77)

    0.012 (0.30)

Example of Option Request:

  • To Add Tape And Reeling:  Add -TR to Part Number (Ex: WSTL06154-TR)
  • To Add 5% Tolerance: Add -05 to Part Number (Ex: WSTL06154-05)
  • To Add both Tape and Reeling and 5% Tolerance: (Ex: WSTL06154-05TR)

  • Rated Power:    1mW  (Max. power under continuous power)
  • Dissipation Constant:1.5 mW/°C (Power required to raise part °C)                                 
  • Thermal Time Constant: <5 Sec. (Time required for a 63.2% change in resistance when temperature  is changed)

 

0805 Size Electrical Specification Table

Part Number (Note: Add - 03 for 3% Tol. - 05 for 5% Tol.)

W @ 25°C +/- 10%

BETA

   25/85°C   (+/- 3%)

Dimensions in inches (millimeters)

      A         +/- 0.009" (0.23mm)

       B        +/- 0.006" (0.15mm)

       C        +/- 0.009" (0.23mm)

       D        +/- 0.009" (0.23mm)

WSTL08202G

2000

3500

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08302G

3000

3500

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08502J

5000

3450

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08103J

10000

3450

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08103L

10000

3700

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08103R

10000

4100

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08153R

15000

4100

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08203G

20000

3500

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08203R

20000

4100

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08303P

30000

3950

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08303R

30000

4100

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08503P

50000

3950

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.012 (0.30)

WSTL08104P

100000

3950

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.016 (0.41)

WSTL08154R

150000

4100

0.080 (2.03)

0.020 (0.51)

0.050 (1.27)

0.016 (0.41)

 

Example of Option Request:

  • To Add Tape And Reeling:  Add -TR to Part Number (Ex: WSTL08154-TR)
  • To Add 5% Tolerance: Add -05 to Part Number (Ex: WSTL08154-05)
  • To Add both Tape and Reeling and 5% Tolerance: (Ex: WSTL08154-05TR)

Terminology

Base Resistance - The resistance value of a thermistor at a specified temperature with negligible electrical power to avoid self heating.Usually base resistance will be defined at 25 °C.

BETA - BETA(25C/85°C) is a "material constant" that defines the Resis.-Temperature curve slope. It is calculated using the following equation: [(lnR25-lnR85)/(1/T25-1/T85) Note: Absolute Temperature in degrees Kelvin(°K) must be used(°C + 273.15) in the calculation.

 




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